Home › Forums › Gen III / Gen IV › 2005 can i mix clutch fluids? Top up with a dot4 instead of factory dot3?

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    • Shannon Whitehead
      Keymaster
      May 17, 2015 at 10:16 am
      Post count: 274799
      #201323

      DOT 3 and DOT 4 can be mixed with no issues. You should really be running DOT 4 for the clutch hydraulics anyway.

    • Shannon Whitehead
      Keymaster
      May 17, 2015 at 10:37 am
      Post count: 274799
      #201329

      Steve M is correct. As I have posted many times before…the factory fill for Vipers has been Mopar DOT 4 since 1999. However, the clutch reservoir caps ALL say DOT 3 through model year 2010. And, before you ask, we have all Gens in the garage and all manuals.

    • Shannon Whitehead
      Keymaster
      May 17, 2015 at 10:44 am
      Post count: 274799
      #201333

      Thank you guys 🙂

    • Shannon Whitehead
      Keymaster
      June 11, 2025 at 2:19 am
      Post count: 274799
      #18600

      Hi guys, did my brakepads yesterday, and had to top up the reservoir, which reads to fill with dot4. Then i opened the container for the clitch fluid and its empety! The cap says fill with dot3. Can i top my clutch fluid with dot4 leftovers and mix it with dot3 that is inside already?
      Thanks

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